In case you already know about this and just want to check your settings, the instructions are posted HERE.

In the hangouts on Air we did not long ago, we had the question…"Do you watermark your pictures and why?" at the 13:49 mark. I do watermark all of my images, and you can hear my reason on the video at Basic Image and Video Tips For Bloggers - Part 2. You can click on the proper time stamp in the video description on YouTube.